[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sysdeps/posix/cuserid.c b/ap/libc/glibc/glibc-2.22/sysdeps/posix/cuserid.c
new file mode 100644
index 0000000..acdd20c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sysdeps/posix/cuserid.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <pwd.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Return the username of the caller.
+ If S is not NULL, it points to a buffer of at least L_cuserid bytes
+ into which the name is copied; otherwise, a static buffer is used. */
+char *
+cuserid (s)
+ char *s;
+{
+ static char name[L_cuserid];
+ char buf[NSS_BUFLEN_PASSWD];
+ struct passwd pwent;
+ struct passwd *pwptr;
+
+ if (__getpwuid_r (__geteuid (), &pwent, buf, sizeof (buf), &pwptr)
+ || pwptr == NULL)
+ {
+ if (s != NULL)
+ s[0] = '\0';
+ return s;
+ }
+
+ if (s == NULL)
+ s = name;
+ s[L_cuserid - 1] = '\0';
+ return strncpy (s, pwptr->pw_name, L_cuserid - 1);
+}